Grafana Cloud change history: Elevated Errors Ingesting Metrics in AWS US East (VA)

Grafana Cloud reported a major metrics-ingestion incident in AWS US East (VA) - prod-us-east-3, causing failed or delayed writes and potentially affecting Frontend Observability and Synthetic Monitoring data. It started 2026-10-12 09:45 UTC and resolved 2026-10-12 16:42 UTC (6 h 56 min); Grafana isolated suspected contributing infrastructure and reported normal service restored.